7zip reader: add test for POWERPC filter support for LZMA compressor (#2460)

This new test archive contains a C hello world executable built like so
on a ubuntu 24.04 machine:
```
int main(int argc, char *argv[]) {
  printf("hello, world\n");
  return 0;
}
```

`powerpc-linux-gnu-gcc hw.c -o hw-powerpc -Wall`

The test archive that contains this executable was created like so,
using 7-Zip 24.08: `7zz a -t7z -m0=lzma2 -mf=ppc
libarchive/test/test_read_format_7zip_lzma2_powerpc.7z hw-powerpc`

The new test archive is required because the powerpc filter for lzma is
implemented in liblzma rather than in libarchive.

diff --git a/Makefile.am b/Makefile.am
index 5d7abc13bcb39cf4f161efba47cfb7394aa75c67..acb9003a1f0b710c5b2c937677557b9b961bd9b6 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -813,6 +813,7 @@ libarchive_test_EXTRA_DIST=\
        libarchive/test/test_read_format_7zip_lzma2.7z.uu \
        libarchive/test/test_read_format_7zip_lzma2_arm64.7z.uu \
        libarchive/test/test_read_format_7zip_lzma2_arm.7z.uu \
+       libarchive/test/test_read_format_7zip_lzma2_powerpc.7z.uu \
        libarchive/test/test_read_format_7zip_lzma2_riscv.7z.uu \
        libarchive/test/test_read_format_7zip_lzma2_sparc.7z.uu \
        libarchive/test/test_read_format_7zip_malformed.7z.uu \

diff --git a/libarchive/test/test_read_format_7zip.c b/libarchive/test/test_read_format_7zip.c
index 187c02ff869b388ad7c845b67b3419c001f13d1c..49a918de9f466e08751ed47eb39d3c911f6abfc0 100644 (file)
--- a/libarchive/test/test_read_format_7zip.c
+++ b/libarchive/test/test_read_format_7zip.c
@@ -1499,3 +1499,19 @@ DEFINE_TEST(test_read_format_7zip_deflate_powerpc)
 
        assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 }
+
+DEFINE_TEST(test_read_format_7zip_lzma2_powerpc)
+{
+       struct archive *a;
+
+       assert((a = archive_read_new()) != NULL);
+
+       if (ARCHIVE_OK != archive_read_support_filter_gzip(a)) {
+               skipping(
+                   "7zip:deflate decoding is not supported on this platform");
+       } else {
+               test_powerpc_filter("test_read_format_7zip_lzma2_powerpc.7z");
+       }
+
+       assertEqualInt(ARCHIVE_OK, archive_read_free(a));
+}

diff --git a/libarchive/test/test_read_format_7zip_lzma2_powerpc.7z.uu b/libarchive/test/test_read_format_7zip_lzma2_powerpc.7z.uu
new file mode 100644 (file)
index 0000000..75940ea
--- /dev/null
+++ b/libarchive/test/test_read_format_7zip_lzma2_powerpc.7z.uu
@@ -0,0 +1,48 @@
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+end